Principal Viscera of a Young Cocr 
2° 3 
REFERENCES. 
a The under beak. 
b Membrane of the mouth at the side ,of the tongue. 
c Muscles of the tongue (os hyoides ) and lower jaw. 
d A thin salivary gland, entering the mouth by several small orifices. 
s A small salivary gland, whose duct passes through the membrane of 
the mouth at the side of the tongue — the right one is turned 
outwards to show these ducts. 
/ A small cartilage belonging to the os hyoides. 
g The fauces. 
h The oesophagus, above the crop. 
2 The crop laid open. 
& The upper orifice into the crop. 
t The lower orifice. 
in The lower oesophagus. 
n The gizzard. 
o First turn of the duodenum. 
p Second turn of ditto. 
q The other intestines. 
; The basis of the liver, the body of it being cut out to show the six 
orifices of the vena cava hcpatica and vena port arum, 
s The gall bladder. 
t The spleen. 
u The two testicles. 
v Attachment of the pericardium, within which is seen the heart, 
exposing the mouths of the vessels coming in and going out. 
w The vencc caver superiorcs. 
x The two carotids and subclavians. 
y The trachea. 
3 Suspensory muscles of- the trachea. 
Fig- 57- 
